To link to a Youtube video without embedding, insert


into the URL when you link it (or just edit the post source code after creating the links).

Hide the class total grade in Grades > Setup, then scroll down to the final grade and choose Edit > Hide.

Hide the final exam grade by going to the Final Exam assignment, then Edit Settings, scroll down to the Review Options section and uncheck the Mark box (uncheck Whether Correct, and Right Answer while you're at it).

Cloze Questions:

{1:SHORTANSWER:=Berlin} is the capital of Germany. {2:NUMERICAL:=23.8:0.1#Feedback for correct answer} {1:MULTICHOICE:=California#OK~Arizona#Wrong}
To inject CSS into a single page, add this code into one of the entries in HTML format:

<script type="text/javascript"> // <![CDATA[ var cssRule = '#region-main >{display:none !important;}'; var styleElement = document.createElement('style'); styleElement.appendChild(document.createTextNode(cssRule)); document.getElementsByTagName('head')[0].appendChild(styleElement); // ]]> </script>

And customize the CSS on the third line accordingly.